part of part of develops from developmentally induced by primary heart field splanchnic layer of lateral plate mesoderm embryonic tissue cardiogenic splanchnic mesoderm cardiogenic mesoderm UBERON:0007005 The splanchnic mesoderm in the cardiogenic region where the heart develops; it gives rise to endocardial heart tubes that fuse to form the primordial cardiac tube, the heart primordium[web]. Two migratory heart primordia that move ventrally during the course of neurulation, and then fuse[XAO]. cardiogenic region EHDAA:385 AAO:0011021 BILA:0000051 EFO:0000315 cardiac mesoderm FMA:293143 heart primordia EHDAA2:0000214 SCTID:360387000 VHOG:0001641 XAO:0000235 cardiogenic splanchnopleure anterior lateral plate mesoderm